ESAM5500 NOT HEATING

Hi I have two Delonghi esam5500 machines. the first just displays heating up, then general alarm. The second produces normal coffee but then on hot water or cappuccino demand it displays heating up and then goes back to coffee ready. So far trying to get the first machine up and running, I have swapped the mainboard, pump, water heater and front solenoid as well as the ntc on the heater. None of this has made the blind bit of difference apart from getting me frustrated!!
Has anyone got any suggestions as I am out of ideas!!
Thanks

5 Suggested Answers

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Had this exact problem a few times on a cleaned well maintained milk jug top with an ESAM5500M. Delonghi 'repaired' it by sending a new milk jug frothing top.

It's caused by milk fat deposits, the frother part on the milk jug may look clean but deep inside it's not. I clean mine with pipe cleaners, detergent and hot water and still it wouldn't froth.

The problem re-occurs for me every 6 months or so. You could buy the milk fat remover solution to clean it. Personally I just boil the whole milk jug frother in detergent and the again in descaling solution, that's fixed this problem twice now, although I think it will eventually corrode the 'o' rings on the frother, still cheaper than buying a new frother part each time though.

If it still doesn't work after that, the only other reason for this problem I found mention of was caused by a broken rubber seal where the milk jug fits to the machine. It's most likely to be milk fat deposits inside the frother though.

Hopefully you've solved the problem by now, if not:
I had the same issue and assumed that 'Turning the appliance off' ment turning the main switch off behind the unit. This is not the case. Just turn off the unit using the button on the top left of the facier panel. I then found that the pressing in of the 2 red button allowed the infuser to slide out easily.

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Related Questions:

Delonghi makes a number of different cappuccino machines. If you had stated the model number of the machine, I probably could have found you the manual for the homeowner's machine online.

I found a user's manual for the Delonghi ESAM5500. The manual has an illustration which shows where the grounds container for that machine is located. If the homeowner's cappuccino machine is not an ESAM5500, the grounds container for their machine may be in a similar location.

Page 17 of the manual talks about how to clean the machine, including cleaning the grounds container. In the instructions part A9 (which is illustrated on Page 3 of the manual) is identified as the grounds container.

Just to be sure, if you can contact the homeowners, do so and ask them where the manual for their cappuccino machine manual is located, so you can refer to it and so that you do not accidentally damage the machine.